OpenTechnical

OT-2026-000076270

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000076270) never changes.

Identity and time

Publication numberOT-2026-000076270 · never reused
Internal UUID01a0ae94-6a6f-792c-b343-cb4e156480d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076270
StatusPUBLIC

Content hashes

Canonical text42dcbb14d15bde58e4a85e913af32d8093b7faf5ed130dbd5c86f8e859b4ff7c
Markdown53f528569e2328e8e93e78a7fd580f0773f5c2a6dbc39f6fb8b6536c712371b2
PDF
Publication page843709eb29a42c5d3ff201efbb70496b44843df156d4d890cdedc46d420d2e8d
Manifestd1c1a2e170af0f08b2b99544fdc88b70620044c628541873e730a386094fe411

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureS/mbCL26JhpXrdXkuwU0/mpI4NioDCrZKLPvzVdzqB4VJK139c5cV7SDwR2kzwqN1cruKFvkucMJa9V56lkeDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:12:00.978713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076270
observed 843709eb29a42c5d3ff201efbb70496b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:00.951297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076270/manifest.json
observed d1c1a2e170af0f08b2b99544fdc88b70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:00.807628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076270/publication.md
observed 53f528569e2328e8e93e78a7fd580f07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:00.782659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076270/publication.txt
observed 42dcbb14d15bde58e4a85e913af32d80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.